Cost to own
Audi RS4 Ownership Costs UK
Around £818 per month to own
The Audi RS4 Avant is one of the most complete performance cars available in the UK. Combining a twin-turbocharged V6 engine, quattro all-wheel drive and estate-car practicality, it delivers supercar-rivalling pace while remaining comfortable enough for daily use. However, ownership costs are considerably higher than those of a standard A4. Fuel, insurance, tyres, servicing and depreciation all contribute significantly to the true cost of ownership.
Estimated annual ownership cost
Assumptions used
- 8,000 miles per year
- 3 years ownership
- Petrol at £1.50/litre
- Depreciation based on age, mileage, usage and car type
Is the Audi RS4 expensive to run?
A Audi RS4 is likely to cost around £818 per month over 3 years, based on 8,000 miles per year. The biggest costs are usually depreciation, insurance, fuel and maintenance.
Calculate your own RS4 costsAudi RS4 ownership cost breakdown
Fuel costs
Fuel costs are one of the largest ongoing expenses of RS4 ownership. Although the 2.9-litre twin-turbo V6 is more efficient than older naturally aspirated RS models, it remains a high-performance engine. Gentle motorway driving can return respectable fuel economy, but enthusiastic use of the performance quickly increases fuel consumption. Drivers covering high annual mileage should budget carefully for fuel expenditure.
Insurance costs
Insurance costs are typically high due to the RS4's performance, value and repair costs. Premiums are often significantly higher than those of a standard A4 or even an S4. Driver age, postcode, annual mileage and modifications all have a major impact on insurance costs.
Maintenance costs
Maintenance costs are higher than those of standard Audi models. Large brakes, wide tyres and specialist servicing requirements all contribute to ownership costs. While routine servicing itself is generally manageable, replacement parts can be expensive. Buyers should prioritise vehicles with a complete service history and evidence of proper maintenance.
Depreciation
Depreciation remains one of the biggest ownership costs despite the RS4's strong desirability. Performance Audis often retain value better than mainstream vehicles, but mileage, age and market conditions still affect resale values significantly. Buyers should consider depreciation alongside maintenance and fuel costs when assessing affordability.
Is the Audi RS4 reliable?
The B9 RS4 is generally regarded as one of Audi's more reliable RS models. Its 2.9-litre twin-turbocharged V6 engine is shared with several other high-performance Audi and Porsche products and has developed a solid reputation when maintained correctly. Routine servicing is particularly important because the engine operates under significant stress. Regular oil changes and preventative maintenance can help avoid expensive issues later in ownership. Most owners report relatively few major engine problems provided servicing schedules are followed correctly. Like any high-performance car, wear-and-tear items become increasingly important as mileage rises. Suspension components, brakes, batteries and cooling system parts may require attention over time. Buyers should also inspect modified examples carefully, as tuning quality varies considerably between owners. Overall, the RS4 is considered dependable by performance-car standards. It is not a cheap car to repair if something goes wrong, but catastrophic failures are relatively uncommon on well-maintained examples. Service history and condition remain far more important than mileage alone when evaluating a used car.
Real-world fuel economy
Real-world fuel economy varies considerably depending on how the RS4 is driven. During steady motorway journeys, many owners report fuel economy figures approaching 30 mpg, which is impressive given the performance available. Mixed driving typically produces fuel economy in the mid-20 mpg range. Urban driving and frequent acceleration can reduce efficiency noticeably, particularly when making regular use of the turbocharged engine's performance. Compared with older V8-powered RS4 models, the twin-turbo V6 offers a meaningful improvement in efficiency. However, buyers should still remember that this is a high-performance car rather than an economy-focused vehicle. Fuel expenditure can become substantial for drivers covering significant annual mileage. Over several years of ownership, fuel costs can easily exceed the purchase price difference between the RS4 and a lower-performance alternative. Understanding realistic fuel consumption is therefore important when calculating total ownership costs.
Common ownership costs
Tyres are one of the most significant ownership expenses on an RS4. The car's weight, power and quattro traction system place considerable demands on all four tyres. Premium replacements are strongly recommended and can be expensive. Brake maintenance is another major cost. Large performance brakes deliver excellent stopping power but replacement discs and pads are considerably more expensive than those found on standard Audi models. Cars used enthusiastically may require brake work more frequently. Insurance and fuel remain substantial annual expenses. Even experienced drivers often pay significantly higher premiums than they would for a standard executive car. Fuel costs can also add up quickly for higher-mileage owners. Although routine servicing is generally manageable, the combination of tyres, brakes, insurance and depreciation means total ownership costs are considerably higher than many buyers initially expect. Budgeting realistically is essential for a positive ownership experience.
Should you buy a Audi RS4?
The RS4 is an excellent choice for drivers who want genuine supercar pace without sacrificing practicality. Few cars combine performance, refinement, all-weather usability and load-carrying ability as effectively as the RS4 Avant. Buyers should focus heavily on condition and maintenance history. The cheapest examples are rarely the best value, particularly if servicing has been delayed or maintenance records are incomplete. Evidence of careful ownership is usually worth paying extra for. The RS4 works exceptionally well as a daily driver. It is comfortable enough for long journeys, practical enough for family duties and fast enough to compete with many dedicated sports cars. However, buyers must be realistic about running costs. For many enthusiasts, the B9 RS4 represents one of the best all-round performance cars available. It delivers serious performance without requiring the compromises associated with many traditional sports cars, provided owners are prepared for the higher running costs that come with it.
Calculate your own RS4 costsAudi RS4 running costs FAQs
Is an Audi RS4 expensive to run?
Yes. Fuel, tyres, brakes, insurance and depreciation are all significantly higher than those of a standard Audi A4.
Is the Audi RS4 reliable?
The B9 RS4 is generally considered reliable for a high-performance car when maintained correctly and supported by a strong service history.
What MPG does an Audi RS4 get?
Many owners achieve around 25-30 mpg during mixed driving, with motorway journeys occasionally approaching 30 mpg when driven gently.